Finding the Fourth Proportional to 19,622,825.35, 29,431,992.11 and 5,247,014.15
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Solution
The fourth proportional to 19,622,825.35, 29,431,992.11 and 5,247,014.15 is: 7,869,920.67
Step by Step Solution
- Step 1: Write the proportion equation
19,622,825.35 : 29,431,992.11 = 5,247,014.15 : x - Step 2: Convert to fraction form
19,622,825.35/29,431,992.11 = 5,247,014.15/x - Step 3: Cross multiply
19,622,825.35x = 29,431,992.11 × 5,247,014.15 - Step 4: Simplify right side
19,622,825.35x = 154,430,078,890,463.31 - Step 5: Solve for x
x = 154,430,078,890,463.31/19,622,825.35 - Step 6: Final answer
x = 7,869,920.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.